CREATE CONSTRAINT TRIGGER - Create a trigger to support a
constraint
SYNOPSIS
CREATE CONSTRAINT TRIGGER name
AFTER events ON
relation constraint attributes
FOR EACH ROW EXECUTE PROCEDURE func '(' args ')'
INPUTS
name The name of the constraint trigger.
events The event categories for which this trigger should
be fired.
relation
Table name of the triggering relation.
constraint
Actual onstraint specification.
attributes
Constraint attributes.
func(args)
Function to call as part of the trigger processing.
OUTPUTS
CREATE CONSTRAINT
Message returned if successful.
DESCRIPTION
CREATE CONSTRAINT TRIGGER is used from inside of CRE
ATE/ALTER TABLE and by pg_dump to create the special trig
gers for referential integrity.
It is not intended for general use.
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